-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 To ensure the image has not been corrupted in transmit or tampered with, perform the following two steps to cryptographically verify image integrity: 1. Verify the authenticity of this file by checking that it is signed with our GPG release key: $ curl https://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify turnkey-moodle-15.3-stretch-amd64-vmdk.zip.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-moodle-15.3-stretch-amd64-vmdk.zip d831b0e44cb51c5ba9ae90292758998dcc346f16230054897dfecf2f87a5f5d0 turnkey-moodle-15.3-stretch-amd64-vmdk.zip $ sha512sum turnkey-moodle-15.3-stretch-amd64-vmdk.zip 464ea96764f331491a6af2d31ecfb62e5db49a4d40d13a94284dd374e3e49d6b6459c76f887cbc43963cb91919674bd900fc38ce3063994e698ce672bac0af5d turnkey-moodle-15.3-stretch-amd64-vmdk.zip Note, you can compare hashes automatically:: $ sha256sum -c turnkey-moodle-15.3-stretch-amd64-vmdk.zip.hash turnkey-moodle-15.3-stretch-amd64-vmdk.zip: OK $ sha512sum -c turnkey-moodle-15.3-stretch-amd64-vmdk.zip.hash turnkey-moodle-15.3-stretch-amd64-vmdk.zip: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl1GhVwACgkQhcJelaFu uU3itwf/ZkFkqNKsrx4FEPml4RaIxAillqjo4kWEdj5ORwEAl0WZ5MsWfQR0N/Pe I66T67xQkVXGmuMi5ccp50CO6FU1JIcLcrooxZuGxBxUpFK45nDwWzdw0ClrIKl9 CSaFyloH+AmQ7QqhD4Hh+vq/bfIjYpcLzk8zzUUPV+OP4cMa26k+s/1KNsT4vfTN h5Xb7jLvcydu76m+BNGgIz/7C+Ljrk6Ow2aiT96ropuCtJL53H+tMe2DJ+mTn6Vi hKCo/v44XHaQt8Q98BHdrDrvAPyjNlZGGJt4miV4mSRIJrGShHYJHq32mWGG3wU1 EudU9SfLGeA+oqv8aonIn1w/YTL7iA== =gHoN -----END PGP SIGNATURE-----